\begin{tabular}{|r||r@{}l|r|r@{ / }r|}\hline\hline
\mc{6}{|c|}{Average Benefit of Treatment (Ex - Post)}\\\hline\hline
Population & \mc{2}{c|}{Estimand} & p-value & \mc{2}{c|}{90\% Confi.}\\\hline
\mc{1}{|l||}{ Full } &           0.070 & $^{**}$ &            0.01 &           0.022 &           0.144 \\
\mc{1}{|l||}{ Treated } &           0.134 & $^{***}$ &            0.00 &           0.052 &           0.197 \\
\mc{1}{|l||}{ Untreated } &           0.008 & $^{}$ &            0.35 &          -0.054 &           0.126 \\
\hline\hline
